Practice Questions

TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that

#11. Evolution and Behavior

RNA was the first hereditary information.
protobionts had an RNA membrane.
RNA could make energy.
free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

More Questions

#Question id: 12076

#7. System Physiology – Animal

#Question id: 3848

#3. Fundamental Processes

are small molecules that function as adapters between amino acids and codons.

#Question id: 2282

#2. Cellular Organization

Which of the following organelles is found in plant cells but not in animal cells?

#Question id: 11297

#10. Ecological Principles

What is the difference between gross and net primary production?

#Question id: 23406

#Aptitude